Lightweight and roomy, the Marmot Yolla Bolly 15 Sleeping Bagbrings comfort to the campsite. You'll stay warm and dry thanks to the lofty 650-fill-power-down insulation and water-resistant Down Defender treatment. This three-season, multitasking sleeping bag turns into a quilt thanks to its wrap-around zipper that completely opens. The soft fabric at the inside hood provides an extra touch of comfort, while the silicone-printed back reduces slipping when on top of a pad. Tuck small items into the internal stash pocket for easy access.